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SAE-AISI H11 Steel vs. ZE63A Magnesium

SAE-AISI H11 steel belongs to the iron alloys classification, while ZE63A magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is SAE-AISI H11 steel and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
17
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
300

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1460
510
Melting Onset (Solidus), °C 1410
390
Specific Heat Capacity, J/kg-K 470
950
Thermal Conductivity, W/m-K 42
110
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
31
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
140

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
22
Density, g/cm3 7.8
2.0
Embodied Carbon, kg CO2/kg material 3.0
24
Embodied Energy, MJ/kg 43
180
Embodied Water, L/kg 75
920

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
58
Strength to Weight: Axial, points 25 to 66
40
Strength to Weight: Bending, points 22 to 43
48
Thermal Diffusivity, mm2/s 11
57
Thermal Shock Resistance, points 22 to 58
17

Alloy Composition

Carbon (C), % 0.33 to 0.43
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 89.6 to 92.5
0
Magnesium (Mg), % 0
89.6 to 92
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 1.1 to 1.6
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3